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NetScreen Secures Networks for Indiana University

Sunnyvale, CA - August 25, 2003 - NetScreen Technologies, Inc. (Nasdaq: NSCN) today announced that Indiana University has selected NetScreen’s high-performance integrated firewall and virtual private network (VPN) security solutions as a major component of the University’s layered-security approach. The devices will be used to help protect the perimeter of Indiana University’s large internal network and secure its two mission critical data centers.

With eight campuses and a total community of 126,000 students, faculty, staff and researchers who are engaged in a wide variety of specialized learning, teaching and research, the University’s technology environment and supporting networks are complex, diverse and must be robust enough to handle the traffic and demands of all its constituents.

As a result, the University set forth very stringent and complex firewall and policy requirements: high performance throughput, High Availability (HA), a flexible maintenance interface, the ability to operate in transparent mode and support for a wide variety of emerging standards and protocols.

Mark Bruhn, chief IT security and policy officer at Indiana University commented, “In the past, many large universities with complex and diverse technical environments overlooked the value of firewalls because of cost, scalability, robustness and performance concerns. However, given the ever-increasing number of threats against our systems, we decided we needed to more seriously consider our options. Upon doing so, NetScreen was the only vendor that met our needs and addressed all these common concerns. Further, their willingness to help us with necessary enhancements and to work with us to integrate the devices into our network was a big plus.”

The University network and security staff are securing each data center with dual NetScreen-5200 systems deployed in active-passive HA mode. The enterprise/carrier-class NetScreen-5200 systems operate at wire speeds while integrating the functions of firewall, virtual private network, traffic management and denial of service attack protection in a low-profile modular chassis. Higher performance NetScreen-5400 security systems, which also integrate the same functionality, are expected to be deployed later this summer to secure all external connections, including those from the University’s network to the Internet, other local universities and external service providers.

For more information about NetScreen products, visit: http://www.netscreen.com/products/index.jsp

About Indiana University

Indiana University (http://www.iu.edu), one of the oldest state universities in the Midwest, has been ranked among the ten best public institutions of higher education in the US. In addition to being selected as the site for the Abilene Network Operations Center (NOC), networking highlights at IU include having a high-speed connection to the vBNS and receiving a grant from the NSF to develop a high-speed, international network connection, called TransPAC, between the vBNS and the Asia Pacific Advanced Network (APAN).

About NetScreen Technologies

NetScreen Technologies, Inc., is a leading developer of integrated network security solutions that offer the security, performance and total cost of ownership required by enterprises and carriers. NetScreen’s innovative solutions provide key security technologies, such as virtual private network, denial of service protection, firewall and intrusion prevention, in a line of easy-to-manage security appliances and systems. NetScreen is located at 805 11th Ave., Sunnyvale, Calif., 94089. More information on NetScreen’s products can be found at http://www.netscreen.com or by calling toll free at 1-800-638-8296.

NetScreen and the NetScreen logo are trademarks of NetScreen Technologies, Inc. in the United States and other countries. Other trademarks are the property of their respective owners.

This press release contains forward-looking statements about events and circumstances that have not yet occurred. For example, words such as “will”, “can”, “provide”, “enabling” and “continue”, or other statements in the future tense, are forward-looking statements. Actual outcomes and results may differ materially from expectations in this press release due to a number of risks and uncertainties. Such risks and uncertainties include whether the market for security products will grow as projected, if at all, whether demand for NetScreen products will continue, whether new products, if and when introduced, will be successful and whether products will perform as expected.